Measurement range of photon-ionizing radiation DER |
10-1 … 2·106 μSv/h |
Indication range of pulse count rate from photon-ionizing radiation detector |
0 … 9 999 cps |
Main relative permissible error limit during measurement of photon-ionizing radiation DER at 137Cs calibration with 0.95 confidence probability |
(15+2/H*(10)) %, where H*(10) is a dimensionless quantity, numerically equal to DER value measured in μSv/h |
Energy range of detected photon-ionizing radiation |
0.05 … 3 MeV |
Additional relative permissible error limit during measurement of photon-ionizing radiation DER caused by deviation of environmental temperature from 20 оС in the temperature variation range from minus 30 оС to + 55 оС |
5 % per each 10 оС of deviation from 20 оС |
Setup time of operating mode while the ABG Probe is exposed to photon-ionizing radiation with DER equal to 5 µSv/h, not more |
1 min |
Setup time of operating mode when measuring beta-particles flux density and surface activity of beta-emitting radionuclides, not more |
1 min |
Measurement range of surface beta-particles flux density |
10 … 300 000 part./(cm²·min) |
Measurement range of surface activity of beta-emitting radionuclides |
0.5 … 13 500 Bq/cm²for С0 source type (90Sr/90Y)(efficiency of C0 type sources is 0.377) |
Indication range of pulse count rate from beta radiation detector |
0 … 9 999 cps |
Energy range of detected beta-particles |
0.15 … 3 MeV |
Main relative permissible error limit during measurement of surface beta-particles flux density in the range from 10 to 300 000 part./(cm²·min) at 90Sr/90Y calibration with 0.95 confidence probability |
(20+200/Fβ) %, where Fβ is a dimensionless quantity, numerically equal to surface beta-particles flux density value measured in part./(cm²·min) |
Main relative permissible error limit during measurement of surface activity of beta-emitting radionuclides in the range from 0.5 to 13 500 Bq/cm² at 90Sr/90Y calibration with 0.95 confidence probability from standard source of С0 type |
(20+10/Аβ) %, where Аβ is dimensionless quantity, numerically equal to surface activity of beta-emitting radionuclides value measured in Bq/cm² |
Area of the detector’s sensitivity |
7 cm² |
- Beta-particles detection efficiency, not less
- – for 14С isotope
- – for 204Tl isotope
- – for 90Sr/90Y isotope
|
|
Additional relative permissible error limit during measurement of surface beta-particles flux density and surface activity of beta-emitting radionuclides caused by variation of environmental temperature from minus 30 оС to + 55 оС |
± 5 % per each 10 оС of deviation from 20 оС |
Measurement range of surface alpha-particles flux density |
10 … 300 000 part./(cm²·min) |
Measurement range of surface activity of alpha-emitting radionuclides |
0.5 … 10 000 Bq/cm²for П9 source type (239Pu)(efficiency of П9 type sources is 0.490) |
Energy range of detected alpha-particles |
4 … 8 MeV |
Indication range of pulse count rate from alpha radiation detector |
0 … 9 999 cps |
Main relative permissible error limit during measurement of surface alpha-particles flux density in the range from 10 to 300 000 part./(cm²·min) at 239Pu calibration with 0.95 confidence probability |
(15+300/Fα) %, where Fα is a dimensionless quantity, numerically equal to surface alpha-particles flux density value measured in part./(cm²·min) |
Main relative permissible error limit during measurement of surface activity of alpha-emitting radionuclides in the range from 0.5 to 10 000 Bq/cm2 at 239Pu calibration with 0.95 confidence probability from standard source of П9 type |
(15+15/Аα) %, where Аα is a dimensionless quantity, numerically equal to surface activity of alpha-emitting radionuclides value measured in Bq/cm² |
Area of the detector’s sensitivity |
7 cm² |
Alpha-particles detection efficiency from 239Pu isotope, not less |
0.06 |
Additional relative permissible error limit during measurement of surface alpha-particles flux density and surface activity of alpha-emitting radionuclides caused by variation of environmental temperature from minus 30 оС to + 55 оС |
5 % per each 10 оС of deviation from 20 оС |
Setup time of operating mode when measuring alpha-particles flux density and surface activity of alpha-emitting radionuclides, not more |
1 min |
Unstable readings during measurement of all physical quantities during an 8-hour continuous operation, not more |
5 % |
Dimensions of the ABG probe, not more |
72 × 186 × 53 mm |
Weight of the ABG probe, not more |
0.7 kg |